[petsc-users] Can not find the header file for OpenMPI

[Satish Balay]

On Mon, 13 May 2024, neil liu wrote:

> Dear Petsc developers,
> 
> I am trying to install Petsc with a preinstalled OpenMPi.
> 
> ./configure --download-fblaslapack --with-mpi-dir=/usr/lib64/openmpi

--with-mpi-dir=DIR is a bit unique [wrt other pkg-dir options].

It means:

--with-cc=DIR/bin/mpicc --with-cxx=DIR/bin/mpicxx --with-fc=DIR/bin/mpif90

> --with-mpi-incdir=/usr/include/openmpi-x86_64

There is no such configure option

> 
> But the final information shows,
>   MPI:
>   Version:    3
>   Includes:   -I/usr/lib64/openmpi/include (*This is not the right include
> directory*)

Can you send configure.log for this build [perhaps to petsc-maint]

Satish

>   mpiexec: /usr/lib64/openmpi/bin/mpiexec
>   Implementation: openmpi
>   OMPI_VERSION: 4.1.1
> 
> Did I use the wrong way to include the incdir?
> 
> Thanks,
> Xiaodong
>